CN103121403A - Four-wheel drive switching device of vehicle - Google Patents
Four-wheel drive switching device of vehicle Download PDFInfo
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- CN103121403A CN103121403A CN2011103701601A CN201110370160A CN103121403A CN 103121403 A CN103121403 A CN 103121403A CN 2011103701601 A CN2011103701601 A CN 2011103701601A CN 201110370160 A CN201110370160 A CN 201110370160A CN 103121403 A CN103121403 A CN 103121403A
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Abstract
The invention provides a four-wheel drive switching device of a vehicle. The four-wheel drive switching device of the vehicle comprises a vehicle microcontroller, a two-wheel drive high switching module, a four-wheel drive high switching module and a four-wheel drive low switching module, wherein a two-wheel high control end and a four-wheel low control end are arranged on the vehicle microcontroller, the two-wheel drive high switching module comprises a first relay and a first witching unit, the four-wheel drive high switching module comprises a second relay and a second switching unit, and the four-wheel drive low switching module comprises a third relay and a third switching unit. The first witching unit, the second witching unit and the third witching unit are initially in an off-state. When the first switching unit is switched on, the first relay is powered down, so that the two-wheel high control end is grounded; when the second switching unit is switched on, the first relay and the second relay are grounded so as to enable the two-wheel high control end and the four-wheel low control end to be suspended; and when the third switching unit is switched on, the third relay is switched on so as to enable the four-wheel low control end to be grounded.
Description
Technical field
The present invention relates to the auto electronic control technology field, particularly a kind of 4 wheel driven switching device of vehicle.
Background technology
4 wheel driven refers to that vehicle keeps the form of four wheel drive always in whole driving process.Particularly, to front and back wheel, this drive pattern can make vehicle have cross-country and handling preferably to engine output torque with fixing proportional distribution, but can not make according to the road surface situation adjustment of torque distribution, and oil consumption is higher.The 4 wheel driven pattern comprises time sharing and 4 wheel driven (Part-Time 4WD) when double, and chaufeur can be manually switches to 4 wheel driven when holding concurrently from time sharing.Wherein, time sharing is to control two switchings of driving with 4 wheel driven by controller.On normal road surface, vehicle travels with two-wheel drive mode, and when running into cross-country road or tyre skidding, controller will be surveyed and automatically other two-wheeled be arrived in power distribution.For the time sharing pattern, the quality of controller can have influence on the degree of intelligence that drive form switches.
The time sharing switch of traditional automobile mostly is independently knob switch, and this knob switch not only intuitive is poor, and is unfavorable for that chaufeur controls, and may cause to occur error in control process.
Summary of the invention
Purpose of the present invention is intended to solve at least one of mentioned technological deficiency of above-mentioned background technology, proposes especially a kind of 4 wheel driven switching device of vehicle.
The 4 wheel driven switching device that the embodiment of the present invention provides comprises: automobile-used microcontroller is provided with on described automobile-used microcontroller: two drive high control end, and wherein, when described two drove high control end ground connection, vehicle entered two and drives high state; 4 wheel driven hangs down control end, wherein, when the low control end ground connection of described 4 wheel driven, described vehicle enters the low state of 4 wheel driven, drives the low control end of the unsettled and described 4 wheel driven of high control end when unsettled when described two, and described vehicle enters the 4 wheel driven high state, two drive high switch module, described two drive high switch module comprises the first relay and the first switch element, and the control contact of wherein said the first relay is connected with described the first switch element, and the signalling contact of described the first relay and described two drives high control end and is connected; The high switch module of 4 wheel driven, the high switch module of described 4 wheel driven comprise the second relay and second switch unit, and wherein, the control contact of described the second relay is connected with described second switch unit; 4 wheel driven low switch module, described 4 wheel driven low switch module comprises the 3rd relay and the 3rd switch element, wherein, the control contact of described the 3rd relay is connected with described the 3rd switch element, the signalling contact of described the 3rd relay is connected with the low control end of described 4 wheel driven, wherein, described the first switch element, described second switch unit and described the 3rd switch element are off-state when initial, when described the first switch element was closed, described the first relay cut off the power supply to drive high control end ground connection with described two; When described second switch unit was closed, described the first relay and described the second relay ground connection were so that described two drive high control end and the low control end of described 4 wheel driven is unsettled; When described the 3rd switch element was closed, described the 3rd relay closes was to hang down control end ground connection with described 4 wheel driven.
4 wheel driven switching device according to the vehicle of the embodiment of the present invention, adopt three separate button formula switches, can realize that vehicle drives between state and 4 wheel driven state two switches, give chaufeur with selection function more intuitively, being beneficial to chaufeur controls, thereby can improve the precision that chaufeur is controlled, avoid occurring error.
The aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is the constructional drawing of 4 wheel driven switching device of the vehicle of the embodiment of the present invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, need to prove, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be directly to be connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to following description and accompanying drawing, these and other aspects of embodiments of the invention will be known.These describe and accompanying drawing in, specifically disclose some specific implementations in embodiments of the invention, represent to implement some modes of the principle of embodiments of the invention, still should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise spirit and interior all changes, modification and the equivalent of intension scope that falls into additional claims.
Below with reference to the 4 wheel driven switching device of Fig. 1 description according to the embodiment of the present invention.
As shown in Figure 1, the 4 wheel driven switching device that provides of the embodiment of the present invention comprises: automobile-used microcontroller 1 (Electronic Control Unit, ECU), two drives high switch module 2, the high switch module 3 of 4 wheel driven and 4 wheel driven low switch module 4.Be provided with two on automobile-used microcontroller 1 and drive high control end (2H selection) and the low control end (4L selection) of 4 wheel driven, wherein, when two drove high control end (2H selection) ground connection, vehicle entered two and drives height (2H) state.When low control end (4L selection) ground connection of 4 wheel driven, vehicle enters 4 wheel driven low (4L) state.Drive the low control end (4L selection) of high control end (2H selection) and 4 wheel driven when all unsettled when two, vehicle enters 4 wheel driven high (4H) state.
Two drive high switch module 2 comprises the first relay D1 and the first switch element SW1, and wherein the control contact of the first relay D1 is connected with the first switch element SW1, and the signalling contact of the first relay D1 and two drives high control end (2H selection) and is connected.The high switch module 3 of 4 wheel driven comprises the second relay D2 and second switch cell S W2, and wherein the control contact of the second relay D2 is connected with second switch cell S W2.4 wheel driven low switch module 4 comprises the 3rd relay D3 and the 3rd switch element SW3, and wherein, the control contact of the 3rd relay D3 is connected with the 3rd switch element SW3, and the signalling contact of the 3rd relay SW3 is connected with the low control end (4L selection) of 4 wheel driven.
When initial, the first switch element SW1, second switch cell S W2 and the 3rd switch element SW3 are off-state.As the first switch element SW1 when closed, the first relay D1 outage, thus driving high control end (2H selection) ground connection with two, vehicle enters two and drives high state.When second switch cell S W2 is closed, the first relay D1 and the second relay D2 ground connection, thus make two to drive high control end (2H selections) and 4 wheel driven to hang down control end (4L selection) unsettled, vehicle enters the 4 wheel driven high state at this moment.When the 3rd switch element SW3 was closed, the 3rd relay D3 was closed, thereby with low control end (4L selection) ground connection of 4 wheel driven, vehicle enters the low state of 4 wheel driven.
In one embodiment of the invention, two drive high switch module 2, the high switch module 3 of 4 wheel driven also is connected with the ignition lock of vehicle with 4 wheel driven low switch module 4.When ignition lock was in the IG gear, two drive high switch module 2 controls two drove high control end (2H selection) ground connection, drives high state thereby make vehicle enter two.
In one embodiment of the invention, to drive high switch module 2 in running order when two, be that vehicle is in two when driving high state, only when closed second switch cell S W2 or the 3rd switch element SW3, two drive high control end (2H selection) just can withdraw from unsettledly, drives high state thereby make vehicle just withdraw from two.
In one embodiment of the invention, the 4 wheel driven switching device of the vehicle of the embodiment of the present invention also comprises: two drive high indicator lamp L1, the high indicator lamp L2 of 4 wheel driven and the low indicator lamp L3 of 4 wheel driven.Wherein, two drive high indicator lamp L1 drives high control end (2H selection) and two and drives high switch module 2 and be connected with two respectively, and when vehicle is in two when driving high state, two drive high indicator lamp L1 lights, thereby to user's prompting, vehicle is in two and drives high state.
The high indicator lamp L2 of 4 wheel driven is connected with the high switch module 3 of 4 wheel driven, and when vehicle was in the 4 wheel driven high state, the high indicator lamp L2 of 4 wheel driven lighted, thereby to user's prompting, vehicle is in the 4 wheel driven high state.
The low indicator lamp L3 of 4 wheel driven is connected with 4 wheel driven switch module 4 with the low control end (4L selection) of 4 wheel driven respectively, and when vehicle was in the low state of 4 wheel driven, the low indicator lamp L3 of 4 wheel driven lighted, thereby to user's prompting, vehicle is in the low state of 4 wheel driven.
In one embodiment of the invention, the 4 wheel driven switching device of the vehicle of the embodiment of the present invention also comprises: two drive high key lamp L4, the high key lamp L5 of 4 wheel driven and 4 wheel driven low switch illuminating lamp L6.Wherein, two drive high key lamp L4 is connected with the two instrument dimmer switchs 5 that drive high switch module 2 and vehicle respectively, is used for two adjacent domains of driving high switch module 2 are thrown light on.The high key lamp L5 of 4 wheel driven is connected with the instrument dimmer switch 5 of the high switch module 3 of 4 wheel driven and vehicle respectively, is used for the adjacent domain of the high switch module 3 of 4 wheel driven is thrown light on.4 wheel driven low switch illuminating lamp L6 is connected with the instrument dimmer switch 5 of 4 wheel driven low switch module 4 and vehicle respectively, is used for the adjacent domain of 4 wheel driven low switch module 4 is thrown light on.
Thus, by in two adjacent domains of driving high switch module 2, the high switch module 3 of 4 wheel driven and 4 wheel driven low switch module 4, illuminating lamp being set, control even make the user also can drive high switch module 2, the high switch module 3 of 4 wheel driven and 4 wheel driven low switch module 4 to two at night, thus the gear of control vehicle.
The below drives two the flow process of switching between height (2H), 4 wheel driven high (4H) and 4 wheel driven low (4L) to the control vehicle of the 4 wheel driven switching device of the vehicle of the embodiment of the present invention and describes.
When ignition lock was in the IG gear, two drove high switch module 2 work, two of automobile-used microcontroller 1 drive high control end (2H selection) ground connection at this moment, and vehicle is in two and drives high state, and two drive high indicator lamp L1 lights.Two drive high switch module 2 also is connected with the combination instrument 6 of vehicle, and when two drove high switch module 2 work, the signal that inputs to combination instrument 6 was high potential signal, i.e. the IG current potential.At this moment, the 4 wheel driven indicator lamp of combination instrument 6 does not work.
When pressing second switch cell S W2, the control contact ground connection of the first relay D1, relay D1 work this moment first, thus it is unsettled that two of automobile-used microcontroller 1 is driven high control end (2H selection).Simultaneously, the second relay D2 also works, and the high indicator lamp L2 of 4 wheel driven lights, thereby the low control end (4L selection) of 4 wheel driven of automobile-used microcontroller 1 is unsettled, vehicle is in 4 wheel driven high workload state.When pressing the first switch element SW1, the first relay D1 outage.Thus, the first relay D1 switches to off-position two of automobile-used microcontroller 1 is driven high control end (2H selection) ground connection, and two drive high indicator lamp L1 lights, and vehicle is in two and drives high state.
When pressing the 3rd switch element SW3, the coil conducting of the 3rd relay D3 with the 3rd relay D3 adhesive, thereby is hanged down control end (4L selection) ground connection with the 4 wheel driven of automobile-used microcontroller 1, makes vehicle be in the low state of 4 wheel driven.At this moment, the low indicator lamp L3 of 4 wheel driven lights.
4 wheel driven switching device according to the vehicle of the embodiment of the present invention, adopt three separate button formula switches, can realize that vehicle drives between state and 4 wheel driven state two switches, give chaufeur with selection function more intuitively, being beneficial to chaufeur controls, thereby can improve the precision that chaufeur is controlled, avoid occurring error.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (5)
1. the 4 wheel driven switching device of a vehicle, is characterized in that, comprising:
Automobile-used microcontroller is provided with on described automobile-used microcontroller:
Two drive high control end, and wherein, when described two drove high control end ground connection, vehicle entered two and drives high state;
4 wheel driven hangs down control end, and wherein, when the low control end ground connection of described 4 wheel driven, described vehicle enters the low state of 4 wheel driven, drives the low control end of the unsettled and described 4 wheel driven of high control end when unsettled when described two, and described vehicle enters the 4 wheel driven high state,
Two drive high switch module, described two drive high switch module comprises the first relay and the first switch element, the control contact of wherein said the first relay is connected with described the first switch element, and the signalling contact of described the first relay and described two drives high control end and is connected;
The high switch module of 4 wheel driven, the high switch module of described 4 wheel driven comprise the second relay and second switch unit, and wherein, the control contact of described the second relay is connected with described second switch unit;
4 wheel driven low switch module, described 4 wheel driven low switch module comprises the 3rd relay and the 3rd switch element, and wherein, the control contact of described the 3rd relay is connected with described the 3rd switch element, the signalling contact of described the 3rd relay is connected with the low control end of described 4 wheel driven
Wherein, described the first switch element, described second switch unit and described the 3rd switch element are off-state when initial, and when described the first switch element was closed, described the first relay cut off the power supply to drive high control end ground connection with described two; When described second switch unit was closed, described the first relay and described the second relay ground connection were so that described two drive high control end and the low control end of described 4 wheel driven is unsettled; When described the 3rd switch element was closed, described the 3rd relay closes was to hang down control end ground connection with described 4 wheel driven.
2. 4 wheel driven switching device as claimed in claim 1, it is characterized in that, described two drive high switch module, the high switch module of described 4 wheel driven and described 4 wheel driven low switch module also is connected with the ignition lock of described vehicle, when described ignition lock is in the IG gear, described two drive high switch module control described two drives high control end ground connection, and described vehicle enters two and drives high state.
3. 4 wheel driven switching device as claimed in claim 1, it is characterized in that, when described vehicle is in two when driving high state, if when closed described second switch unit or described the 3rd switch element, described two drive that high control end is unsettled to be withdrawed from two and drive high state to control described vehicle.
4. 4 wheel driven switching device as claimed in claim 1, is characterized in that, also comprises:
Two drive high indicator lamp, drive high control end and described two and drive high switch module and be connected with described two respectively, and when described vehicle is in two when driving high state, described two drive high indicator lamp lights;
The high indicator lamp of 4 wheel driven is connected with the high switch module of described 4 wheel driven, and when described vehicle was in the 4 wheel driven high state, the high indicator lamp of described 4 wheel driven was lighted;
4 wheel driven hangs down indicator lamp, is connected with described 4 wheel driven low switch module with the low control end of described 4 wheel driven respectively, and when described vehicle was in the low state of 4 wheel driven, the low indicator lamp of described 4 wheel driven was lighted.
5. 4 wheel driven switching device as claimed in claim 1, is characterized in that, also comprises:
Two drive high key lamp, are connected with the described two instrument dimmer switchs that drive high switch module and described vehicle respectively, are used for throwing light on described two adjacent domains of driving high switch module;
The high key lamp of 4 wheel driven, the instrument dimmer switch with the high switch module of described 4 wheel driven and described vehicle is connected respectively, for the adjacent domain of the high switch module of described 4 wheel driven that throws light on;
4 wheel driven low switch illuminating lamp, the instrument dimmer switch with described 4 wheel driven low switch module and described vehicle is connected respectively, for the adjacent domain of the described 4 wheel driven low switch module of throwing light on,
Wherein, the instrument dimmer switch of described vehicle is used for controlling described two and drives high key lamp, the high key lamp of described 4 wheel driven and the startup of described 4 wheel driven low switch illuminating lamp, and controls described two brightness of driving high key lamp, the high key lamp of described 4 wheel driven and described 4 wheel driven low switch illuminating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110370160.1A CN103121403B (en) | 2011-11-18 | 2011-11-18 | A kind of 4 wheel driven switching device of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110370160.1A CN103121403B (en) | 2011-11-18 | 2011-11-18 | A kind of 4 wheel driven switching device of vehicle |
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| Publication Number | Publication Date |
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| CN103121403A true CN103121403A (en) | 2013-05-29 |
| CN103121403B CN103121403B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110370160.1A Active CN103121403B (en) | 2011-11-18 | 2011-11-18 | A kind of 4 wheel driven switching device of vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859751A (en) * | 2018-06-28 | 2018-11-23 | 江苏林海动力机械集团有限公司 | A kind of all-terrain vehicle 4 wheel driven electric-control system |
| CN110789337A (en) * | 2018-08-01 | 2020-02-14 | 广州汽车集团股份有限公司 | Mode switching control method and control device of electric control four-wheel drive system |
| CN112224156A (en) * | 2020-08-25 | 2021-01-15 | 北汽福田汽车股份有限公司 | Drive control circuit and method of vehicle and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108859751A (en) * | 2018-06-28 | 2018-11-23 | 江苏林海动力机械集团有限公司 | A kind of all-terrain vehicle 4 wheel driven electric-control system |
| CN108859751B (en) * | 2018-06-28 | 2021-12-14 | 江苏林海动力机械集团有限公司 | All-terrain vehicle four-wheel drive electric control system |
| CN110789337A (en) * | 2018-08-01 | 2020-02-14 | 广州汽车集团股份有限公司 | Mode switching control method and control device of electric control four-wheel drive system |
| CN112224156A (en) * | 2020-08-25 | 2021-01-15 | 北汽福田汽车股份有限公司 | Drive control circuit and method of vehicle and vehicle |
| CN112224156B (en) * | 2020-08-25 | 2022-05-24 | 北汽福田汽车股份有限公司 | Drive control circuit and method of vehicle and vehicle |
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| CN103121403B (en) | 2015-11-18 |
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Effective date of registration: 20171128 Address after: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 38 North Road, room A206 Patentee after: Wuhu Wanjiang intellectual property operation center Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: Beiqi Futian Automobile Co., Ltd. |
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Effective date of registration: 20180926 Address after: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: 241009 A206 room 38, Yin Hu Bei Road, Wuhu economic and Technological Development Zone, Anhui Patentee before: Wuhu Wanjiang intellectual property operation center Co., Ltd. |